Differential Scanning Calorimetry (DSC)
Differential Scanning Calorimetry (DSC)
Differential Scanning Calorimetry (DSC)
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Heat Flow (W/g)<br />
<strong>DSC</strong>: Temperature Calibration<br />
�ASTM Method E967<br />
�Pure metals (indium, lead, etc.) typically used<br />
�Extrapolated onset is used as melting temperature<br />
�Sample is fully melted at the peak<br />
� Miscellaneous<br />
�With metal standards, calibration should change very<br />
� little with heating rate<br />
�With metal standards, it is not practical to calibrate for<br />
�changes in heating rate on polymer samples<br />
<strong>DSC</strong>: Temperature Calibration<br />
1<br />
0<br />
-1<br />
-2<br />
-3<br />
HEATING RATE<br />
Extrapolated Onset<br />
156.61°C<br />
28.36J/g<br />
-4<br />
157.09°C<br />
-5<br />
PEAK<br />
150 152 154 156 158 160 162 164<br />
50<br />
40<br />
30<br />
20<br />
10<br />
0<br />
Deriv. Temperature (°C/min)
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